Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Duncan Brown Cooper III, Practice Areas No known practice areas. is located in the city of East Peoria, the state of Illinois. Attorney legal address Duncan B. Cooper, III2711 N Main StEast Peoria, IL, 61611-1749. For more information, please call (309) 657-1091 Your comments* (not for publishing) * — Required information Duncan Brown Cooper III ← View details Duncan B. Cooper, III2711 N Main StEast Peoria, IL, 61611-1749, East Peoria, Illinois (309) 657-1091